This example shows a hand-coded stratigraphic cross-section of a west wall, rendered as three stacked, irregularly shaped layers in earthy tones. The visualization uses raw SVG path elements to define the geological strata boundaries and fills them with solid colors, while a label identifies the wall orientation. A JavaScript script attempts to add red lines to the SVG container using the DOM API `createElementNS` and `setAttribute`, though it references an undefined `line` variable. The code relies on hard-coded coordinates rather than a data-driven library or external dataset.